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28 lines
924 B
28 lines
924 B
4 years ago
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"""
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General functions for HTML manipulation, backported from Py3.
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Note that this uses Python 2.7 code with the corresponding Python 3
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module names and locations.
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"""
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from __future__ import unicode_literals
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_escape_map = {ord('&'): '&', ord('<'): '<', ord('>'): '>'}
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_escape_map_full = {ord('&'): '&', ord('<'): '<', ord('>'): '>',
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ord('"'): '"', ord('\''): '''}
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# NB: this is a candidate for a bytes/string polymorphic interface
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def escape(s, quote=True):
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"""
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Replace special characters "&", "<" and ">" to HTML-safe sequences.
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If the optional flag quote is true (the default), the quotation mark
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characters, both double quote (") and single quote (') characters are also
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translated.
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"""
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assert not isinstance(s, bytes), 'Pass a unicode string'
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if quote:
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return s.translate(_escape_map_full)
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return s.translate(_escape_map)
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